822: Receipt Printer with JavaScript

822: Receipt Printer with JavaScript

Wes unveils his Hack-Week project —a thermal printer controlled by JavaScript that prints out Sentry.io errors in real-time. Scott and Wes dive into the nitty-gritty of how it works, from the ESC/POS protocol to tackling socket issues, and whether the project was worth the effort. Show Notes 00:00 Welcome to Syntax! 00:38 Brought to you by Sentry.io. 01:10 What is Hack Week? 01:41 The project. Follow the posts on X. 02:40 Why a receipt printer? 03:55 How do these printers work? ESC/POS. 05:20 Communicating with the printer. 07:24 ESC/POS Encoder. ESC/POS Encoder. 08:42 Socket issues. 09:56 Using Transformers.js to stop ‘toxic comments’. Xenova’s toxic-bert. Implementation in Wes’ code. 10:48 Back to socket issues. 12:18 Integrating with Sentry. 15:01 Printing images with Playwright. 16:17 Was it worth it? Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

Jaksot(974)

934: We Built a Real-Time, Local-Data, Competitive Coding Game

934: We Built a Real-Time, Local-Data, Competitive Coding Game

Scott, Wes, and CJ dive into SynHax, Scott’s Hackweek project for code battles. They discuss live coding duels, referee controls, and the surprisingly simple tech stack that delivers instant updates a...

3 Syys 202537min

933: Hackweek Overview - What Is It, What Did We Build

933: Hackweek Overview - What Is It, What Did We Build

It’s Hackweek at Syntax! Scott, Wes, and CJ break down what Hackweek is all about - how they picked their projects, what came out of them, and why it’s the best excuse to experiment, build, and have f...

1 Syys 202532min

932: Vibe Coding’s Huge Problem

932: Vibe Coding’s Huge Problem

Wes and Scott talk about the dangers of vibe coding when it comes to authentication and access control. They share real-world examples of security fails, discuss how to avoid client-side-only checks, ...

27 Elo 202522min

931: Project Init - How to Make Good Choices When Starting a New Coding Project

931: Project Init - How to Make Good Choices When Starting a New Coding Project

Scott and Wes dive into the fundamentals of project initialization and planning, from outlining ideas and choosing the right tools to making smart technology decisions. They also chat about leveraging...

25 Elo 202530min

930: Text Editor Keybindings, WASM Replacing Docker, LLM apathy and hosting mini apps

930: Text Editor Keybindings, WASM Replacing Docker, LLM apathy and hosting mini apps

In this potluck episode of Syntax, Wes and Scott answer your questions about VS Code vs Cursor, navigating promotions and job titles, database fundamentals, avoiding decision paralysis, how AI is shap...

20 Elo 202555min

929: Cloudflare Blocks AI Crawlers × Debugging Local Data × Raising Kids with Healthy Digital Habits and More

929: Cloudflare Blocks AI Crawlers × Debugging Local Data × Raising Kids with Healthy Digital Habits and More

Scott and Wes tackle listener questions on everything from local-first databases and AI-built CRMs to protecting APIs and raising kids with healthy digital habits. They also weigh in on Cloudflare’s A...

18 Elo 202553min

928: State of Devs 2025 Results

928: State of Devs 2025 Results

Wes and Scott talk about the 2025 State of Devs survey, diving into trends in salaries, job titles, remote work, health, hobbies, and more. Show Notes 00:00 Welcome to Syntax! 01:44 Brought to ...

13 Elo 202551min

927: AI Browsers, 100X Build Speed, Massive Svelte Update - Web Dev News

927: AI Browsers, 100X Build Speed, Massive Svelte Update - Web Dev News

Scott and Wes break down the latest in web dev news, from Amazon’s AI-powered VS Code fork and Node’s native TypeScript support, to Vite overtaking Webpack and Svelte’s newest async and remote feature...

11 Elo 202551min

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